Finding the Third Proportional to 27,568.50 and 42,216.75

Step by Step Solution

1. Step 1: Write the proportion equation
   27,568.50 : 42,216.75 = 42,216.75 : x
2. Step 2: Convert to fraction form
   27,568.50/42,216.75 = 42,216.75/x
3. Step 3: Cross multiply
   27,568.50x = 42,216.75 × 42,216.75
4. Step 4: Simplify right side
   27,568.50x = 1,782,253,980.56
5. Step 5: Solve for x
   x = 1,782,253,980.56/27,568.50
6. Step 6: Final answer
   x = 64,648.20